Yes, propane stoves can emit carbon monoxide (CO) when they are used for an extended period of time and then shut off. While propane stoves are generally considered to be safer than older models that used other fuels like kerosene or coal, they still produce carbon monoxide during combustion.
Carbon monoxide is a colorless, odorless gas that is produced when any fuel, including propane, is burned incompletely. In a properly functioning propane stove, the combustion process should be efficient, and most of the carbon monoxide should be vented outside through a flue or exhaust system. However, if the stove is not well-maintained, poorly ventilated, or used in a confined space without proper airflow, carbon monoxide can accumulate to dangerous levels.
Leaving a propane stove on for an extended period, especially in an enclosed space like a room or tent, can be hazardous. If the stove is not designed for continuous use or does not have proper ventilation, carbon monoxide can build up, leading to a potential health risk, including carbon monoxide poisoning.
It's crucial to use propane stoves in well-ventilated areas and to follow the manufacturer's instructions for safe operation. Additionally, it is highly recommended to have a carbon monoxide detector installed in any living space that uses fuel-burning appliances to provide an early warning in case of potential leaks or dangerous levels of carbon monoxide. If you suspect carbon monoxide exposure or poisoning, it is essential to seek fresh air immediately and seek medical attention as soon as possible.